Finding the Fourth Proportional to 4,258,903.60, 5,879,939.88 and 2,711,038.96
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Solution
The fourth proportional to 4,258,903.60, 5,879,939.88 and 2,711,038.96 is: 3,742,922.50
Step by Step Solution
- Step 1: Write the proportion equation
4,258,903.60 : 5,879,939.88 = 2,711,038.96 : x - Step 2: Convert to fraction form
4,258,903.60/5,879,939.88 = 2,711,038.96/x - Step 3: Cross multiply
4,258,903.60x = 5,879,939.88 × 2,711,038.96 - Step 4: Simplify right side
4,258,903.60x = 15,940,746,097,137.72 - Step 5: Solve for x
x = 15,940,746,097,137.72/4,258,903.60 - Step 6: Final answer
x = 3,742,922.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.